How to Auto Login After Registration in WordPress with core php

Question

I\'ve been trying for days now to take users who have just registered to my WordPress site and automatically log them in and then redirect them to a URL of my choice. By def

Answer 1

// Add on function.php for Auto login after register and redirect to a home page. varified this code

function auto_login_new_user( $user_id ) {
    wp_set_current_user($user_id);
    wp_set_auth_cookie($user_id);
    $user = get_user_by( 'id', $user_id );
    do_action( 'wp_login', $user->user_login );//`[Codex Ref.][1]
    wp_redirect( home_url() ); // You can change home_url() to the specific URL,such as "wp_redirect( 'http://www.wpcoke.com' )";
    exit;
}
add_action( 'user_register', 'auto_login_new_user' );